markdownBorder function
Creates a markdown-style border using | for verticals.
Implementation
UvBorder markdownBorder() => const UvBorder(
top: Side(content: ''),
bottom: Side(content: ''),
left: Side(content: '|'),
right: Side(content: '|'),
topLeft: Side(content: '|'),
topRight: Side(content: '|'),
bottomLeft: Side(content: '|'),
bottomRight: Side(content: '|'),
);